A study of the electrical resistivity of zone−refined tungsten at high temperatures
- 1 February 1975
- journal article
- conference paper
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 46 (2) , 475-490
- https://doi.org/10.1063/1.321670
Abstract
The electrical resistivity ρ of a zone−refined tungsten sample (residual resistivity ratio 7×104) was determined between 1100 and 2500 K. The error analysis indicates that the data are accurate to about 1%, and comparison of the results with other ρ data indicates that the error analysis may be somewhat pessimistic. The effects of thermionic charge transport on the ρ data and the performance of uninsulated W97Re3:W75Re25 thermocouples were also investigated. Comparison of the data with standard transport theory indicates that most of the nonlinear ρ behavior observed at high temperatures is due to thermal expansion effects.This publication has 19 references indexed in Scilit:
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